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Individual Calculations September 2023 |
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| Vikas, Hema Total change: 44.80 | |   |
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| May-July 2023 Marshall Monday | New York, NY | USA | 2023-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1464 | 0.50 | 2 | 0.24 | 40 | 9.60 | |
|  Rand, Steven | | | 1998 | USA | 0.00 | 1 | -0.03 | 40 | -1.20 | |  De Villa, Jose | | | 1672 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | July-August 2023 Marshall Monday Rounds 1-3 | New York, NY | USA | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1558 | 0.50 | 3 | -0.04 | 40 | -1.60 | |
| | Modi, Ethan | | | 1869 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Mullodzhanov, Nathaniel | | | 2000 | USA | 0.50 | 1 | 0.44 | 40 | 17.60 | | | De Villa, Jose | | | 1672 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | July-August 2023 Marshall Monday Rounds 4-6 | New York, NY | USA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1558 | 1.00 | 1 | 0.76 | 40 | 30.40 | |
| | Shangin, Lev | | | 1756 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | XXXIII Pan-American Youth Chess Festival - Under 16 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1590 | 1585 | 3.50 | 8 | -0.59 | 40 | -23.60 | |
| | Chen, Rachel Ruoxuan | | wf | 2158 | CAN | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Huang, Lulu | | | 1195 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Da Cunha, Gabriela Goes | | wc | 1776 | BRA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Zhou, Vanessa G | | | 1910 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Garcia Ortega, Natalia Belen | | | 1509 | MEX | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Gomez Camara, Sofia | | | 1569 | MEX | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Merino Vallecillo, Angela Sofia | | | 1228 | HON | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Wang, Jessica | | | 1371 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 55th annual Atlantic Open - U2100 | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1585 | 1.00 | 1 | 0.75 | 40 | 30.00 | |
| | Jablon, Stephen | | | 1778 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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